Spectator Ions and Ionic Equations

Spectator Ions and Ionic Equations

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Olivia Brooks

FREE Resource

The video tutorial explains how to write and balance net ionic equations, using the example of sodium hydroxide and calcium chloride. It begins by balancing the molecular equation, then discusses the solubility of compounds and the concept of strong electrolytes. The tutorial demonstrates how to write the complete ionic equation and identifies spectator ions. Ultimately, it concludes that no reaction occurs because all ions remain in solution.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in writing a net ionic equation?

Identify spectator ions

Balance the molecular equation

Write the complete ionic equation

Determine solubility

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you balance the hydroxide ions in the reaction between NaOH and CaCl2?

Add a coefficient of 2 in front of CaCl2

Add a coefficient of 3 in front of CaCl2

Add a coefficient of 2 in front of NaOH

Add a coefficient of 3 in front of NaOH

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the solubility status of compounds containing sodium?

Slightly soluble

Very soluble

Soluble only in acids

Insoluble

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is considered a strong base?

Calcium chloride

Sodium chloride

Water

Calcium hydroxide

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to strong electrolytes in a solution?

They remain intact

They partially dissociate

They completely dissociate into ions

They form a precipitate

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are spectator ions?

Ions that participate in the reaction

Ions that do not change during the reaction

Ions that form a precipitate

Ions that are insoluble

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which ions are considered spectator ions in the reaction between NaOH and CaCl2?

Only chloride ions

Only sodium ions

Calcium and hydroxide ions

Sodium and chloride ions

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